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flagelliform

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(flă-jĕl′ĭ-form) [″ + forma, shape] Shaped like a flagellum.

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flagellum

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(flă-jĕl′ŭm) pl. flagella [L., whip] A threadlike structure that provides motility for certain bacteria and protozoa (one, few, or many per cell) and for spermatozoa (one per cell).

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flammable

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Burning easily.

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flange

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(flănj) 1. A border that projects above the main structure. 2. In dentistry, the part of an artificial denture that extends from the embedded teeth to the border of the denture.

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flank

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The part of the body between the ribs and the upper border of the ilium. The word also refers loosely to the outer side of the thigh, hip, and buttock. SEE: latus.

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flannelmouth

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(flan′ĕl-mowth″) A colloquial and disparaging term for someone with dysarthria. SEE: dysarthria.

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flap

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(flap) 1. A mass of partially detached tissue. 2. A mass of partially detached tissued incurred by accidental trauma used in plastic surgery of an adjacent area or in covering the end of a bone after resection. 3. An uncontrolled movement seen in some diseases. SEE: asterixis.

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flip-flop f. In plastic surgery, the turning of a partially detached flap or island of tissue in a new direction to cover a defect or to reconstruct a missing structure.

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island f. A skin flap or myocutaneous tissue in which the edges are free but the center is attached and contains the vascular supply.

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mucoperiosteal f. A flap of mucosal tissue, including the underlying periosteum, reflected from the bone during oral surgery.

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pedicle f. A partially detached piece of tissue that is attached on one end to a source of blood supply. The other end may be surgically connected to a site from which a new blood supply may develop. SYN: pedicle graft.

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skin f. A flap containing only skin.

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flare

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1. A flush or spreading area of redness that surrounds a line made by drawing a pointed instrument across the skin. It is the second reaction in the triple response of skin to injury and is due to dilatation of the arterioles. SEE: triple response. 2. An exacerbation of any inflammatory condition or disease, such as the sudden worsening of rheumatoid arthritis or systemic lupus erythematosis (SLE).

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flaring, nasal

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Dilation of the nostrils during inspiration; a sign of respiratory distress.

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flash

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1. A hot flash. A flush accompanied by a sensation of heat. It is common during menopause. SYN: hot flush. SEE: menopause. 2. Excess material from a mold.

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flashback

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